Union Bay Boat Ramp
Union Bay Boat Ramp is a public access point in Ontonagon County, Michigan, providing access to Lake Superior. It sits within the Union River-Frontal Lake Superior watershed.
Sourced from Michigan Department of Natural Resources . Last checked against the source on July 7, 2026.
Boat ramps on Lake Superior
We track 9 public boat ramps on Lake Superior, including this one. If you're planning to spend your time on a different stretch of the water, one of the launch points below may put you closer to where you're actually headed than Union Bay Boat Ramp does — they're listed here in order of distance from this ramp.
- Big Iron River 3.3 mi away
- Santa Monica Beach 33 mi away
- Omans Creek 36 mi away
- Agate Beach Park 37 mi away
- L'Anse Bay 55 mi away
- L'Anse Waterfront Park 56 mi away
- Big Traverse Bay Harbor Marina 71 mi away
- Eagle Harbor 83 mi away
Other boat ramps in Ontonagon County
Ontonagon County tracks 10 public boat ramps in total, spread across several different rivers, creeks and lakes — not just Lake Superior. Each one below shows which waterbody it's on, so you can tell at a glance whether it actually connects to the same water as Union Bay Boat Ramp or leads somewhere completely different.
- Union Bay Lake Superior less than 0.1 mi away
- Big Iron River Lake Superior 3.3 mi away
- Ontonagon Marina Ontonagon River 15 mi away
- Lake Gogebic (North) Lake Gogebic 16 mi away
- Steusser Lake Steusser Lake 32 mi away
- Santa Monica Beach Lake Superior 33 mi away